How to use the pdb2pqr.ZSI.wstools.XMLSchema.Annotation function in pdb2pqr

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)

        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component == 'annotation' and not self.annotation:
                self.annotation = Annotation(self)
                self.annotation.fromDom(i)
            else:
                raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))

def fromDom(self, node):
        """ No list or union support
        """
        self.setAttributes(node)
        contents = self.getContents(node)

        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component == 'annotation' and not self.annotation:
                self.annotation = Annotation(self)
                self.annotation.fromDom(i)
            elif component == 'simpleType':
                self.content = AnonymousSimpleType(self)
                self.content.fromDom(i)
            else:
                raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)
        constraints = []
        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component in self.__class__.contents['xsd']:
                if component == 'annotation' and not self.annotation:
                    self.annotation = Annotation(self)
                    self.annotation.fromDom(i)
                elif component == 'simpleType' and not self.content:
                    self.content = AnonymousSimpleType(self)
                    self.content.fromDom(i)
                elif component == 'complexType' and not self.content:
                    self.content = LocalComplexType(self)
                    self.content.fromDom(i)
                elif component == 'key':
                    constraints.append(Key(self))
                    constraints[-1].fromDom(i)
                elif component == 'keyref':
                    constraints.append(KeyRef(self))
                    constraints[-1].fromDom(i)
                elif component == 'unique':
                    constraints.append(Unique(self))
                    constraints[-1].fromDom(i)

def fromDom(self, node):
                self.setAttributes(node)
                contents = self.getContents(node)

                indx = 0
                num = len(contents)

                if num:
                    component = SplitQName(contents[indx].getTagName())[1]
                    if component == 'annotation':
                        self.annotation = Annotation(self)
                        self.annotation.fromDom(contents[indx])
                        indx += 1
                        component = SplitQName(contents[indx].getTagName())[1]
    
                content = []
                while indx < num:
                    component = SplitQName(contents[indx].getTagName())[1]
                    if component == 'attribute':
                        if contents[indx].hasattr('ref'):
                            content.append(AttributeReference(self))
                        else:
                            content.append(LocalAttributeDeclaration(self))
                    elif component == 'attributeGroup':
                        content.append(AttributeGroupReference(self))
                    elif component == 'anyAttribute':
                        content.append(AttributeWildCard(self))

def fromDom(self, node):
                self.setAttributes(node)
                contents = self.getContents(node)

                indx = 0
                num = len(contents)
                #XXX ugly
                if not num:
                    return
                component = SplitQName(contents[indx].getTagName())[1]
                if component == 'annotation':
                    self.annotation = Annotation(self)
                    self.annotation.fromDom(contents[indx])
                    indx += 1
                    component = SplitQName(contents[indx].getTagName())[1]

                if component == 'all':
                    self.content = All(self)
                    self.content.fromDom(contents[indx])
                    indx += 1
                elif component == 'choice':
                    self.content = Choice(self)
                    self.content.fromDom(contents[indx])
                    indx += 1
                elif component == 'sequence':
                    self.content = Sequence(self)
                    self.content.fromDom(contents[indx])
                    indx += 1

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)

        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component == 'annotation' and not self.annotation:
                self.annotation = Annotation(self)
                self.annotation.fromDom(i)
            else:
                raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)
        for child in contents:
            component = SplitQName(child.getTagName())[1]
            if component == 'annotation':
                self.annotation = Annotation(self)
                self.annotation.fromDom(child)
                continue
            break
        else:
            return
        if component == 'restriction':
            self.content = self.__class__.Restriction(self)
        elif component == 'list':
            self.content = self.__class__.List(self)
        elif component == 'union':
            self.content = self.__class__.Union(self)
        else:
            raise (SchemaError, 'Unknown component (%s)' %(component))
        self.content.fromDom(child)

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)

        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component == 'annotation' and not self.annotation:
                self.annotation = Annotation(self)
                self.annotation.fromDom(i)
            elif component == 'simpleType':
                self.content = AnonymousSimpleType(self)
                self.content.fromDom(i)
            else:
                raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)

        for i in contents:
            component = SplitQName(i.getTagName())[1]
            if component in self.__class__.contents['xsd']:
                if component == 'annotation' and not self.annotation:
                    self.annotation = Annotation(self)
                    self.annotation.fromDom(i)
                else:
                    raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))
            else:
                raise (SchemaError, 'Unknown component (%s)' %(i.getTagName()))

def fromDom(self, node):
        self.setAttributes(node)
        contents = self.getContents(node)
        content = []

        for indx in range(len(contents)):
            component = SplitQName(contents[indx].getTagName())[1]
            if (component == 'annotation') and (not indx):
                self.annotation = Annotation(self)
                self.annotation.fromDom(contents[indx])
            elif component == 'attribute':
                if contents[indx].hasattr('name'):
                    content.append(LocalAttributeDeclaration(self))
                elif contents[indx].hasattr('ref'):
                    content.append(AttributeReference(self))
                else:
                    raise (SchemaError, 'Unknown attribute type')
                content[-1].fromDom(contents[indx])
            elif component == 'attributeGroup':
                content.append(AttributeGroupReference(self))
                content[-1].fromDom(contents[indx])
            elif component == 'anyAttribute':
                if len(contents) != indx+1: 
                    raise (SchemaError, 'anyAttribute is out of order in %s' %self.getItemTrace())
                content.append(AttributeWildCard(self))